Measurement E213M1288

Experiment:	E1-6, 2025
Year:	2001	Measurement comment: The angle ψ is the angle between the plane defined by the three-momenta of the hadron (in parentheses) and the target proton, and the plane defined by the three-momenta of the other two final-state hadrons Experiment comment: Experiment year: 2001—2002
Spokespersons:	R.W. Gothe, A. Trivedi
Reaction:	ep → π⁺π⁻p
Polarization:	none
Quantity:	dσ/dψ(π⁻)
Q²:	4.2 — 5.0 GeV²
W:	1.65 — 1.675 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1373	0.0158	0.045	0.0477
54.0	0.1677	0.0209	0.0389	0.0442
90.0	0.2319	0.0255	0.0501	0.0562
126.0	0.2472	0.0253	0.0533	0.059
162.0	0.2462	0.0217	0.0509	0.0718
198.0	0.3039	0.0332	0.0611	0.0865
234.0	0.2233	0.0229	0.0499	0.0549
270.0	0.2139	0.0247	0.0474	0.0535
306.0	0.1782	0.0218	0.0406	0.0461
342.0	0.1678	0.0329	0.0509	0.0606

CLAS Physics Database